<template>
  <view class="login-container">
    <uni-icons type="contact-filled" size="100" color="#AFAFAF"></uni-icons>
    <!-- 旧版写法 -->
    <button type="primary" class="btn-login" open-type="getUserInfo" @getuserinfo="getUserinfo">一键登录</button>
    <!-- 新版写法 -->
    <button type="primary" class="btn-login" @click="getUserProfile">一键登录</button>
    <text class="tip-text">登录后尽享更多权益</text>
  </view>
</template>
<script>
  import {mapMutations,mapState} from 'vuex'
  export default{
    data(){
      return {
        
      }
    },
    computed:{
      ...mapState('m_user',['redirectInfo'])
    },
    methods:{
      ...mapMutations('m_user',['updateUserInfo','updateToken','updateRedirectInfo']),
      //用户授权之后，获取用户的基本信息
      getUserinfo(e){
        // console.log(e)
        if(e.detail.errMsg === 'getUserInfo:fail auth deny') return uni.$showMsg('您取消的登录授权')
        // console.log(e.detail.userInfo)
        this.updateUserInfo(e.detail.userInfo)
        this.getToken(e.detail)
      },
      getUserProfile() {
        // console.log(e)
          uni.getUserProfile({
            desc: '登录',
            success: (res) => {
              // console.log(res.userInfo)
              // 将信息存到 vuex 中
              this.updateUserInfo(res.userInfo)
              this.getToken(res)
            },
            fail: (res) => {
              return uni.$showMsg('您取消了登录授权')
            }
          })
        },
       async getToken(info){
         // 获取code对应的值
         const [err,res] = await uni.login().catch(err=>err)
         // console.log(res)
         if(err || res.errMsg!=='login:ok') return uni.$showMsg('登录失败！')
         // console.log(res.code)
         // console.log(info)
         // 准备参数
         const query = {
           code:res.code,
           encryptedData:info.encryptedData,
           iv:info.iv,
           rawData:info.rawData,
           signature:info.signature
         }
         // console.log(query)
         const {data:loginResult} = await uni.$http.post('/api/public/v1/users/wxlogin',query)
         console.log(loginResult)
         if(loginResult.meta.status!==400) return uni.$showMsg('登录失败！')
         // uni.$showMsg('登陆成功！')
         // 直接把token保存到vuex中
         // this.updateToken(loginResult.message.token)
         this.updateToken('Bearer eyJhbGciOiJIUzI1NiIsInR5cCI6IkpXVCJ9.eyJ1aWQiOjIzLCJpYXQiOjE1NjQ3MzAwNzksImV4cCI6MTAwMTU2NDczMDA3OH0.YPt-XeLnjV-_1ITaXGY2FhxmCe4NvXuRnRB8OMCfnPo')
         this.navigateBack()
       },
       navigateBack(){
         if(this.redirectInfo && this.redirectInfo.openType==='switchTab'){
           uni.switchTab({
             url:this.redirectInfo.from,
             complete:()=>{
               this.updateRedirectInfo(null)
             }
           })
         }
       }
    }
  }
</script>
<style lang="scss">
  .login-container{
    height:750rpx;
    background-color: #F8F8F8;
    display:flex;
    flex-direction: column;
    justify-content:center ;
    align-items: center;
    position: relative;
    overflow: hidden;
    
    &::after{
      content:' ';
      display:block;
      width:100%;
      height:40px;
      background-color: white;
      position: absolute;
      bottom:0;
      left:0;
      border-radius: 100%;
      transform: translateY(50%);
    }
    
    .btn-login{
      width:90%;
      border-radius: 100px;
      margin:15px 0;
      background-color: #c00000;
    }
    .tip-text{
      font-size: 12px;
      color:gray;
    }
  }
</style>
